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Restrict the search for
vitamin a
to a specific field?
Status:
Investigational
Source:
INN:norpipanone [INN]
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Norpipanone (Orfenso; Hexalgon) is an opioid analgesic. It is a controlled substance (opiate).
Status:
Investigational
Source:
NCT02226939: Phase 2 Interventional Completed Liver Cirrhosis
(2002)
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Conditions:
Ciluprevir (BILN-2061) is a selective inhibitor of the HCV NS3 serine protease, which was developed by Boehringer Ingelheim for the treatment of hepatitis C infection. The drug was discontinued in phase II due to adverse events such as cardiac toxicity (demonstrated in animals). In the cell-based replicon assay, ciluprevir inhibited HCV RNA replication at low nanomolar levels. It had inhibitory rate constant (Ki) values of 0.3 and 0.66 nM for the NS3 proteases of HCV genotypes 1a and -1b, respectively.
Status:
Investigational
Source:
NCT00779480: Phase 1 Interventional Terminated Acute Myelogenous Leukemia (AML)
(2009)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
KW-2449, a multikinase inhibitor of FLT3, ABL, ABL-T315I, and Aurora kinase, is under investigation to treat leukaemia patients. KW-2449 is a multikinase inhibitor of FLT3, ABL, ABL-T315I, and Aurora kinase with IC50 values of 6.6nM, 14nM, 4nM and 48nM, respectively. KW-2449 has potent growth inhibitory activity against various types of leukaemia by several mechanisms of action. Kyowa Hakko Kirin Pharma Inc. (a US subsidiary of Kyowa Hakko Kirin Co) was developing KW-2449 for the treatment of acute lymphoblastic leukaemia; acute myeloid leukaemia; chronic myeloid leukaemia; myelodysplastic syndromes, but later these studies were discontinued.
Class (Stereo):
CHEMICAL (MIXED)
Iodetryl is fatty acid derivative patented by Russian company OOO "Nauchno-Proizvodstvennaya Firma "I. M. A." as a colloidal contrast agent.
Status:
Investigational
Source:
NCT00282724: Phase 2/Phase 3 Interventional Completed Ichthyosis, Lamellar
(2006)
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Conditions:
Liarozole is an imidazole-containing compound that inhibits the cytochrome P-450-dependent metabolism of all-trans-retinoic acid (RA). Liarozole, a retinoic acid (RA) metabolism-blocking agent
(RAMBA) in clinical development, has been granted orphan
drug designation for congenital ichthyosis by the European
Commission and the U.S. Food and Drug Administration. Later, based on the mixed results from a phase II/III trial of liarozole for the treatment of ichthyosis, Barrier decided to discontinue the development of liarozole. Liarozole displays antitumor activity against androgen-dependent and independent rat prostate carcinomas.A large phase III international study was completed
comparing liarozole 300 mg twice daily with cyproterone
acetate (CPA) 100 mg twice daily in a total of 321
patients with metastatic prostate cancer in relapse after
first-line endocrine therapy. The results
indicate that liarozole might be a possible treatment
option for prostate cancer (PCA) following failure of
first-line endocrine therapy.
Class (Stereo):
CHEMICAL (ACHIRAL)
Butoxylate is organic compound with significant analgesic or mydriatic activity after s.c. injection in mice and rats
Status:
Investigational
Source:
NCT00560716: Phase 1 Interventional Terminated Solid Tumors
(2007)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
CYC-116 is a novel, ATP-competitive, pyrimidine drug that is taken by mouth as a capsule. The drug is a selective agent that potently inhibits the enzymes Aurora kinases and VEGFR-2 kinase at comparable levels with a range of 19 to 69 nanomolar. Median potency of CYC-116 in cancer cells is approximately 300 nanomolar. CYC-116 has demonstrated a broad spectrum of potent cytotoxic activity against human tumor cell types. Non-clinical efficacy of CYC-116 has been demonstrated by the oral route using mouse leukemia models, in which increased survival was observed, and human solid tumor xenograft models, in which reductions in tumor growth were observed. Cancer cell types that appear to be particularly sensitive to CYC-116 are leukemia, non-small cell lung cancer and pancreatic cancer. CYC-116 works by affecting the cell cycle progression of cancer cells before they enter mitosis or divide to create daughter cancer cells. The mechanism of action of CYC-116 affects cancer cells in several ways. CYC-116-treated cells display delayed entry into mitosis; defective polymerization of tubulins, or proteins that make up microtubules which are the target of the taxane drugs; changes in the function of the centrosome, or the cell's microtubule organizing center; and formation of the mitotic spindle, or the highway along which chromosomes and cellular materials are transported from the mother cell to the daughter cells. After cancer cells are treated with CYC-116, their spindle checkpoint is inactivated resulting in inhibition of cytokinesis or the process by which a mother cell divides. These defects result in the generation of polyploidy or cells with more than two chromosome sets, multinucleated cells or cells with multiple cores and apoptosis or cancer cell death. In a mouse model of leukemia CYC116-treatment induced decreases in tumor cell volume and infiltration of leukemic cells in the bone marrow and resulted in an increase in life span. No significant effects on body weight or normal bone marrow cells were observed at effective doses of CYC-116. Tumor neovascularization, or creation of new blood vessels around a tumor, was significantly reduced in a dose dependent manner. The data confirm that CYC-116 acts as a dual mitotic and angiogenesis inhibitor, a combination of anti-cancer mechanisms which could have therapeutic benefit in the clinic. CYC-116 is currently being studied in a Phase 1 trial in patients with solid tumors at Roswell Park Cancer Institute in Buffalo, New York, and South Texas Accelerated Research Therapeutics (START) in San Antonio. The study is designed to identify the maximum tolerated dose of CYC-116 and evaluate its pharmacokinetic, pharmacodynamic and anti-tumor effects.
Class (Stereo):
CHEMICAL (ABSOLUTE)
Siratiazem [LRA 113] is a calcium channel antagonist that is structurally similar to diltiazem but has a branched alkyl group on the basic nitrogen. Siratiazem has been developed in an attempt to limit the in vivo N-demethylation that is known to occur with diltiazem. Preliminary binding and functional studies in cardiac and vascular tissues indicate that it not only binds to diltiazem binding sites but also exhibits Ca2+ channel blocking
properties comparable to diltiazem. Siratiazem has a similar profile of activity to its parent compound, diltiazem, in that it blocks calcium channels in vascular, intestinal smooth muscle and cardiac tissue, and is least potent in cardiac muscle. At higher concentrations, siratiazem may also block cardiac sodium channels.
Status:
Investigational
Source:
NCT02279602: Phase 2 Interventional Completed Neuroendocrine Tumors
(2014)
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Conditions:
Fosbretabulin (Combretastatin A4 phosphate, CA4P) is the lead compound of a relatively new class of agents termed vascular disrupting agents that target existing tumor blood vessels. Rapid tumor blood flow shutdown has been demonstrated in preclinical models and patients by various techniques such as dynamic contrast-enhanced MRI, perfusion computed tomography and PET scans following CA4P infusion. CA4P typically induces rapid tumor necrosis in the center of the tumor and leaves a rim of viable cells in the periphery. In oncology, CA4P does not appear to be that active by itself, but may be more efficacious when combined with chemotherapy, antiangiogenic therapy and radiation therapy. Combretastatin was initially isolated from the
root bark of the South African Bush willow
Combretum caffrum in 1982 by Pettit and colleagues
at the Arizona State University (AZ, USA). Combretastatin A4 phosphate binds avidly to tubulin at the colchicine-binding site to inhibit microtubule assembly and destabilize the cytoskeleton. CA4P is a tubulin-binding agent that binds at or near the colchicine binding site of β-tubulin (Kd = 0.40 uM), inhibits tubulin assembly with IC50 of 2.4 uM. Fosbretabulin has orphan drug status in the EU and the US for the treatment of ATC (Anaplastic Thyroid Cancer). Later the development of this drug was discontinued.
Status:
Investigational
Source:
INN:prifuroline [INN]
Source URL:
Class (Stereo):
CHEMICAL (RACEMIC)
Prifuroline is a benzofuran derivative patented by French pharmaceutical company Laboratoires Jacques Logeais S. A. As an antiarrhythmic agent. After intravenous administration to pentobarbital-anesthetized dogs, Prifuroline produced a significant dose-related decrease in heart rate and in sinus node recovery time. Prifuroline dose-dependently antagonizes the arrhythmogenic action of aconitine in rats when administered either intravenously or intraduodenally. Prifuroline also diminishes ventricular susceptibility to electrical stimulation in open-chest rats; its effect is comparable to that of disopyramide and amiodarone at the same dose levels. Prifuroline was also able to restore sinus rhythm in guinea-pigs after intracardiac conduction blockade with acetylcholine, although being devoid of anticholinergic activity.
